The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with light bulbs and their relation to information on movement of gases and...

A very simple electrical resistance thermometer is described that can be built, calibrated and tested in a school laboratory at virtually no cost. With it, flames, focused sunlight and other high temperature sources can be probed. The...

Conserve energy at home with Compact Fluorescent Lamps or CFL light bulbs.

Play with resistors, light bulbs, wires, switches, a battery, voltmeters, and ammeters in this interactive circuit simulation.

An extensive look at the inventor, Lewis Latimer, from the Thomas Edison Papers at Rutgers University. Read essays about his life and inventions, the culture in Boston which encouraged his work, and his life outside his inventions. A...

This site provides information on American inventors Benjamin Franklin, Robert Fulton, Eli Whitney, Thomas Jefferson, Isaac Singer, Wilbur Wright, Thomas Alva Edison, Elias Howe, and Alexander Graham Bell. It offers pictures from and...

The biography of the fascinating African-American inventor, Lewis Latimer. In addition to finding out about his development of the carbon filament for the incandescent lamp, you can read about his expertise in patent law, his association...

This primary source set explores the development, commercialization, and impact of electricity.

[Free Registration/Login Required] Article considers the inventions and innovations in communication, transportation, and manufacturing that drove America forward in the nineteenth century. Includes a link to an interactive history of...

Edison's genius was improving on others' technologies and making them more practical for the general public. Thomas Edison applied for his first patent in 1868, when he was just 21 years old. The famous inventor's first brainchild was...